Sister(2022)

Sister is a romantic drama that follows Nagisa, who moves in with her older sister Saho and unexpectedly reunites with her first love, Yo, at work. The tension escalates when Saho invites Nagisa to dinner to introduce her fiancé—who is revealed to be Yo himself. Caught between her lingering feelings and her loyalty to her sister, Nagisa must navigate the painful collision of past romance and present circumstances. The series explores themes of love, family bonds, and the impossible choices that arise when desire conflicts with obligation, as the three characters grapple with the emotional fallout of this complicated entanglement.